/******************************************************************************
 * @file     complex_math_functions_f16.h
 * @brief    Public header file for NMSIS DSP Library
 * @version  V1.9.0
 * @date     23 April 2021
 * Target Processor: RISC-V Cores
 ******************************************************************************/
/*
 * Copyright (c) 2010-2020 Arm Limited or its affiliates. All rights reserved.
 * Copyright (c) 2019 Nuclei Limited. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the License); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


#ifndef _COMPLEX_MATH_FUNCTIONS_F16_H_
#define _COMPLEX_MATH_FUNCTIONS_F16_H_

#include "riscv_math_types_f16.h"
#include "riscv_math_memory.h"

#include "dsp/none.h"
#include "dsp/utils.h"
#include "dsp/fast_math_functions_f16.h"

#ifdef   __cplusplus
extern "C" {
#endif

#if defined(RISCV_FLOAT16_SUPPORTED)

/**
  * @brief  Floating-point complex conjugate.
  * @param[in]  pSrc        points to the input vector
  * @param[out] pDst        points to the output vector
  * @param[in]  numSamples  number of complex samples in each vector
  */
void riscv_cmplx_conj_f16(
    const float16_t* pSrc,
    float16_t* pDst,
    uint32_t numSamples);

/**
  * @brief  Floating-point complex magnitude squared
  * @param[in]  pSrc        points to the complex input vector
  * @param[out] pDst        points to the real output vector
  * @param[in]  numSamples  number of complex samples in the input vector
  */
void riscv_cmplx_mag_squared_f16(
    const float16_t* pSrc,
    float16_t* pDst,
    uint32_t numSamples);

/**
 * @brief  Floating-point complex magnitude
 * @param[in]  pSrc        points to the complex input vector
 * @param[out] pDst        points to the real output vector
 * @param[in]  numSamples  number of complex samples in the input vector
 */
void riscv_cmplx_mag_f16(
    const float16_t* pSrc,
    float16_t* pDst,
    uint32_t numSamples);

/**
 * @brief  Floating-point complex dot product
 * @param[in]  pSrcA       points to the first input vector
 * @param[in]  pSrcB       points to the second input vector
 * @param[in]  numSamples  number of complex samples in each vector
 * @param[out] realResult  real part of the result returned here
 * @param[out] imagResult  imaginary part of the result returned here
 */
void riscv_cmplx_dot_prod_f16(
    const float16_t* pSrcA,
    const float16_t* pSrcB,
    uint32_t numSamples,
    float16_t* realResult,
    float16_t* imagResult);

/**
* @brief  Floating-point complex-by-real multiplication
* @param[in]  pSrcCmplx   points to the complex input vector
* @param[in]  pSrcReal    points to the real input vector
* @param[out] pCmplxDst   points to the complex output vector
* @param[in]  numSamples  number of samples in each vector
*/
void riscv_cmplx_mult_real_f16(
    const float16_t* pSrcCmplx,
    const float16_t* pSrcReal,
    float16_t* pCmplxDst,
    uint32_t numSamples);

/**
 * @brief  Floating-point complex-by-complex multiplication
 * @param[in]  pSrcA       points to the first input vector
 * @param[in]  pSrcB       points to the second input vector
 * @param[out] pDst        points to the output vector
 * @param[in]  numSamples  number of complex samples in each vector
 */
void riscv_cmplx_mult_cmplx_f16(
    const float16_t* pSrcA,
    const float16_t* pSrcB,
    float16_t* pDst,
    uint32_t numSamples);

#endif /*defined(RISCV_FLOAT16_SUPPORTED)*/
#ifdef   __cplusplus
}
#endif

#endif /* ifndef _COMPLEX_MATH_FUNCTIONS_F16_H_ */
